﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace Sales
{
    public partial class Help : Form
    {
        private static Help help = null;

        public Help()
        {
            InitializeComponent();
        }

        public static Help CreateInstance()
        {
            if (null == help)
            {
                help = new Help();
            }
            return help;
        }

        private void Help_FormClosed(object sender, FormClosedEventArgs e)
        {
            help = null;
            
        }
    }
}
